Home / 13,486,581.05-20,229,871.58-13,392,102.65

Finding the Fourth Proportional to 13,486,581.05, 20,229,871.58 and 13,392,102.65

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Solution

The fourth proportional to 13,486,581.05, 20,229,871.58 and 13,392,102.65 is: 20,088,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,581.05 : 20,229,871.58 = 13,392,102.65 : x
  2. Step 2: Convert to fraction form
    13,486,581.05/20,229,871.58 = 13,392,102.65/x
  3. Step 3: Cross multiply
    13,486,581.05x = 20,229,871.58 × 13,392,102.65
  4. Step 4: Simplify right side
    13,486,581.05x = 270,920,516,728,717.16
  5. Step 5: Solve for x
    x = 270,920,516,728,717.16/13,486,581.05
  6. Step 6: Final answer
    x = 20,088,153.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.